Schwassmann-Wachmann 2

GPTKB entity

Statements (51)
Predicate Object
gptkbp:instance_of gptkb:Asteroids
gptkbp:apparent_magnitude 10.0
gptkbp:body_shape approximately 1 km
gptkbp:composed_by ice and dust
gptkbp:discovered_by gptkb:Hermann_Schwassmann
Arno Wachmann
gptkbp:discovery gptkb:Germany
Arno Wachmann
Arnold Schwassmann
gptkbp:discovery_year gptkb:1930
1930-05-24
gptkbp:eccentricity 0.57
gptkbp:element aphelion distance 5.5 AU
argument of periapsis 100 degrees
eccentricity 0.57
inclination 10.5 degrees
longitude of ascending node 200 degrees
mean anomaly 50 degrees
next perihelion date 2026-11-30
perihelion date 2021-06-06
perihelion distance 1.5 AU
period 5.4 years
semi-major axis 3.5 AU
true anomaly 60 degrees
https://www.w3.org/2000/01/rdf-schema#label Schwassmann-Wachmann 2
gptkbp:is_aplace_for 5.5 AU
5.3 AU
gptkbp:notable_event observed by Hubble Space Telescope
close approach to Earth in 2006
fragmentation in 1995
multiple fragments observed
disruption in 2006
gptkbp:notable_for observed by amateur astronomers
monitored for fragmentation
observed during close approach
tracked by professional observatories
gptkbp:orbital_inclination 10.5 degrees
gptkbp:orbital_period 5.4 years
gptkbp:origin named after discoverers
gptkbp:perihelion 1.5 AU
2021-06-06
2026-11-30
gptkbp:research gptkb:spectroscopy
photometry
imaging
radar observations
observed multiple times
gptkbp:scientific_classification periodic comet
gptkbp:semi_major_axis 3.5 AU
gptkbp:bfsParent gptkb:Schwassmann-Wachmann_family_of_comets
gptkbp:bfsLayer 7